carboy7176 carboy7176
  • 08-03-2021
  • Mathematics
contestada

The mean age of 5 boys is equal to 9.8. Furthermore, the mean age of 15 girls is 10.2. The mean age of the 20 children together is equal to:

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salehkhatari123 salehkhatari123
  • 08-03-2021

Anqwerty123

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